Payment : Visa and MasterCard Brand new A. Lange & Son Langmatik, Model # 310.032.18kt rose gold 38.5 mm case. Crocodile leather strap with 18k rose gold buckle. Silver dial. Automatic movement, Lange Calibre L921.1 (21,600vph, 43 jewels). 38 hour power reserve. Hours, minutes and seconds sub-dial located at the bottom of the dial. In addition, this watch has a &#8220;Zero Reset&#8221; seconds hand, which resets the seconds hand to zero when you pull out the crown to adjust the time; this makes it extremely easy to synchronize the watch to perfection. AM/PM Indicator, Date, Day, Leap Year, Month, Sub-Seconds, Moonphase. Perpetual calendar &#8211; watch will correctly adjust for short and long months as well as 28/29 days of February once every 4 years.